Compare Prices

Create webspiders / crawler to compare prices across multiple sites;

Should be implemented using configuration files*, separate modules for easy maintenance, change control (for example if the tag-tag has changed), map the locations of these pages with relevant information (eg price);


The user of the crawler will pass the name of a product, eg 32GB iPad 2, and the crawler will:

1. navigate through the search engines for each site

2. find the parameter passed

3. find a hash / unique identification code of the product

4. navigate to another site

5. if the products are identical to compare prices

# Knowledge required:

1. Experience in developing systems for processing and

data extraction using Object Oriented Perl, more specifically, developing webspiders / crawler.

2. Fluency in the use of parsers HTML / XML.

3. Domain in the use of Regular Expressions.

4. Knowledge of SQL.

# Specific knowledge:

1. LWP

2. DBI

# Sample of module file:

*[url removed, login to view]


--->> Available in an accessible via http

Skills: Apache, HTML, Perl, SQL, XML

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About the Employer:
( 0 reviews ) BRASÍLIA, Brazil

Project ID: #1308368

11 freelancers are bidding on average $999 for this job


Let me know the websites from which data needs to be obtained

$1290 USD in 6 days
(39 Reviews)

Hello, 10+ years exp full time freelancer here, can deliver a quality & professional work in the timeframe posted. Please contact me via PM for any question, Thanks.

$1000 USD in 15 days
(16 Reviews)

Ola, verifica a tua caixa de mensagens sff.

$1000 USD in 2 days
(10 Reviews)

Hello! We have an experience working with Price Comparision systems. Please, Check pmb to learn details.

$1500 USD in 30 days
(2 Reviews)

Hi . I am interested in doing this project.

$1000 USD in 20 days
(6 Reviews)

Have 10 years experience with perl. Experience parsing HTML and XML and creating high-performance web crawlers/spiders with LWP. Experience with MySQL, PostgreSQL databases.

$750 USD in 7 days
(1 Review)

I have worked extensively in the area of Perl, XML and Database. I can get this done for you.

$950 USD in 10 days
(1 Review)

Hello Sir, We can confidentially complete the project.. Please check PMB for listing.. Warm Regards

$1200 USD in 6 days
(0 Reviews)

I have good experience using Perl APIs for website crawlers. I have written to get the data from website and store at one location for further analysis for the company i work for. Let me know i would be of any help More

$750 USD in 7 days
(0 Reviews)

I am a skilled,experienced IT professional with expertise in the field of developing web crawlers. I found myself capable to fulfill the requirements specified in the project statement. Have a look on attached scri More

$800 USD in 7 days
(0 Reviews)

Day 1: Information collection and requirements analysis. Day 2: Environment analysis (target websites data structure). Day 3: Application design. Day 4: Engine construction. Day 5: User interface build. Day 6: Dep More

$750 USD in 6 days
(0 Reviews)